
5
Areas of use
The VS3 is a patented tool for electri-
cians in their daily installation work. It is
especially designed for fault tracing and
fuse detection in single phase 230V ap-
plications during maintenance and repair.
VS3 consists of two battery powered sec-
tions: a transmitter and a receiver. The
transmitter and the receiver communicate
via the radio frequency 869 MHz.
The following functions are available
Outlet conguration
• Shows how a single phase outlet is con-
nected
• Measures voltage and frequency in the
electrical outlet
Phase connections
• To identify phase connections for protec-
tive apparatus and consumers in relation-
ship to the electrical outlet to which the
transmitter is connected
Fuse connections
• To identify protective apparatus (fuses,
mini circuit breakers, RCD and RCBOs)
in relation to a given outlet
RCD tests
• To check a 30 mA RCD function and trip
time.
Introductory description of the Tracker’s functions and operating method
Automatic switch-off
The transmitter and the receiver switch off
automatically.
The receiver switches itself off after approxi-
mately 1 hour if an electric eld has not been
applied to the top end of the receiver.
The receiver switches off automatically after
approximately 1 hour.
An audible signal in the receiver sounds
one minute before the transmitter switches
off. One press on the transmitter’s Abutton
means that the transmitter is active for a
further hour.
Manual switch-off
The transmitter and the receiver can also be
switched off manually.
The transmitter must be unpowered to be
switched off.
Connection checks
There are two symbols on the receiver
display which show the quality of the radio
connection.
The symbol shows that the receiver is
receiving data from the transmitter and the
symbol shows the strength of the incom-
ing signal from the transmitter.
If the symbol is dis-
played in the upper eld
it means that there is an-
other transmitter nearby
that the receiver is receiving data from.
Always check that the other transmitter is
not interfering with your own readings.
Range
The transmitter and receiver communicate
with each other via radio on 869 MHz and
have good contact with each other up to a
distance of 1.2 km line of sight.
If there are many, thick walls or other obsta-
cles, the range is limited.